Included is a 41 steam locomotive

one to raise and lower the boom and the other to raise and lower the hook on the string

Model Number: 37758

Trainz Product Id: 11551877

while the front and rear engines used low pressure steam exhausted from the middle cylinders

AIM 552 HO Abutment Micro Engineering Plate Girder Bridge (2) VariantsUnitPrice_number_494.07 Included is a 41 steamThis is an AIM 552 HO Abutment Micro Engineering Plate Girder Bridge (2). Single track bridge abutment, 1 pair. Board formed concrete, fits Micro Engineering plate girder bridge. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Monroe Models Model Number: 552 MSRP: $24. 95 Scale Era: HO Scale Model Type: Accessories The Trainz SKU for this item is P11953713. Trainz Product Id: 11953713